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BASIS OF PRESENTATION (Recent Accounting Pronouncements) (Narrative) (Details) - USD ($) | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 28, 2019 | Sep. 29, 2019 | Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017 | Dec. 01, 2013
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting changes |  |  |  | $ 534,000 |  |
Decrease financing obligation |  |  | $ (14,207,000) | (15,187,000) |  | $ (20,000,000.0)
Retained earnings |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting changes |  |  |  | 534,000 | $ 4,006,000 |
Accounting Standards Update 2016-16 [Member] | Retained earnings |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting changes |  |  |  | $ 500,000 |  |
Scenario, Forecast [Member] | Accounting Standards Update 2016-02 [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Operating lease liability |  | $ 23,800,000 |  |  |  |
Operating lease right-of-use asset |  | 22,200,000 |  |  |  |
Decrease financing obligation |  | 14,500,000 |  |  |  |
Decrease property, plant and equipment | $ 15,300,000 |  |  |  |  |
Scenario, Forecast [Member] | Accounting Standards Update 2016-02 [Member] | Retained earnings |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative effect of accounting changes |  | $ 800,000 |  |  |  |

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